| Business | Phone |
| Allstate Insurance 1800 Middle Country Rd, Centereach 11720 | (631) 588-3300 |
| Budget Brokerage 1444 Middle Country Rd, Centereach 11720 | (631) 698-1800 |
| Cia Insurance Inc 2100 Middle Country Rd # 115a, Centereach 11720 | (631) 588-0300 |
| Funk & Funk 1759 Middle Country Rd, Centereach 11720 | (631) 467-4747 |
| Ralph F Marciante Agency Inc 1820 Middle Country Rd, Centereach 11720 | (631) 585-2500 |
| Robert Reade & Assoc 2539 Middle Country Rd # D, Centereach 11720 | (631) 580-9099 |
| State Farm Insurance 2570 Middle Country Rd, Centereach 11720 | (631) 981-7744 |
| Supreme Agency Inc 2645 Middle Country Rd, Centereach 11720 | (631) 588-1333 |